If budget is a concern, wishlist the game during sales— Ghost Recon Wildlands frequently drops to $15–20, and the Deluxe Edition is often cheaper than a risky key from an unauthorized reseller.
Creating, distributing, or using cracked license keys violates software copyright laws, the game’s End User License Agreement (EULA), and generally this subreddit’s rules against promoting piracy. Instead, I can offer a short explanatory note: